Write the value of the specified object to the specified output stream in a single‐line format, and return a reference to stream.

Synopsis

Declared in <balcl_optionvalue.h>

std::ostream&
operator<<(
    std::ostream& stream,
    OptionValue_NullOf const& object);

Description

If stream is not valid on entry, this operation has no effect. Note that this human‐readable format is not fully specified, can change without notice, and is logically equivalent to: object.print(stream, 0, ‐1);

Return Value

reference to stream

Parameters

Name

Description

stream

output stream

object

object to format

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